The man whose bosom neither riches nor luxury nor grandeur can render happy may, with a book in his hand, forget all his torments under the friendly shade of every tree; and experience pleasures as infinite as they are varied, as pure as they are lasting, as lively as they are unfading, and as compatible with every public duty as they are contributory to private happiness.
Johann Georg Ritter von ZimmermannWe never read without profit if with the pen or pencil in our hand we mark such ideas as strike us by their novelty, or correct those we already possess.
Johann Georg Ritter von ZimmermannNever lose sight of this important truth, that no one can be truly great until he has gained a knowledge of himself, a knowledge which can only be acquired by occasional retirement.
Johann Georg Ritter von ZimmermannWhen soured by disappointment we must endeavor to pursue some fixed and pleasing course of study, that there may be no blank leaf in our book of life. Painful and disagreeable ideas vanish from the mind that can fix its attention upon any subject.
Johann Georg Ritter von Zimmermann